VWR Micro Cover Glasses Rectangular No. 11/2. 11/2 is a reliable and dependable addition to the VWR Microscope Accessories family of products. Combining top-notch and uncompromising quality with an affordable price the VWR Micro Cover Glasses Rectangular No. 11/2 24X40-1.5/ 48393-230 can fulfill your laboratory needs while still offering a great value for the money. Product Category Description: Proper technique is necessary for slides to achieve the required bounds of a drawing or sketch. Poor quality slides will distort and dilute the drawing causing damage to the specimen or drawing. It is the object of these slides to conform to the drawing or sketch. It is the object of these slides to protect the specimen or drawing and to provide a flat smooth surface for marking or drawing on. It is the object of these slides to serve as a barrier to moisture so that the specimen or drawing will dry out. It is the general purpose slide that will serve as a ground glass for the purpose of marking or as a ground glass for embedding. It is the master slide that will act as a seal to prevent or limit the flow of water causing changes in the tissue structure. This quality is just one of the reasons why Erie Scientific/VWR is an excellent choice for glass slides. Erie Scientific/VWR glass slides are designed to provide the best flat smooth support surface for drawing or writing. It is the object of these slides to conform to the specific shape or size of a prepared slide or slip. Uniformity in size and thickness allows you to use these slides with confidence in the lab. Using the information provided cover glass sizes will vary from lot to lot. (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Erie Scientific products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Microscope Accessories with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Microscope Accessories. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the VWR Micro Cover Glasses Rectangular No. 11/2 24X40-1.5/ 48393-230 we carry a full complement of Microscope Accessories as well as other product offerings from Erie Scientific. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Microscope Accessories please visit our Erie Scientific page. For more brand name Microscope Accessories please visit our Microscope Accessories store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR Micro Cover Glasses Rectangular No. 11/2 24X40-1.5